* Fix list parsing bug * definition list should be seperated by blankline
0.9
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* Fix performance bug
0.8
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* Fix refer_links parsing bug, it should be processed before visit. * Add markdown extra PHP table, definition lists support
0.7
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* Add wiki_link support [[xxx]] * Remove old block support * Add head line id support
header2 {id}
* Add `~~~` code block support * Add inner and outter anchor class * Add header anchor notation * Add footnote support * Fix td parse code text bug
0.6
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* Fix user defined block process bug in indent text * Refactor old user defined tag to new style * Fix output empty string when the undefined blocks are parsed